| MI | Allegan County | Allegan County (no county building department) | website |
| MI | Allegan County | City of Allegan Building Department | website |
| MI | Allegan County | City of Douglas Building Department | website |
| MI | Allegan County | City of Fennville Building Department | website |
| MI | Allegan County | City of Holland Building Department | website |
| MI | Allegan County | City of Otsego Building Department | website |
| MI | Allegan County | City of Plainwell Building Department | website |
| MI | Allegan County | City of Saugatuck Building Department | website |
| MI | Allegan County | City of Wayland Building Department | website |
| MI | Allegan County | Township of Allegan Building Department | website |
| MI | Allegan County | Township of Casco Building Department | website |
| MI | Allegan County | Township of Cheshire Building Department | website |
| MI | Allegan County | Township of Clyde Building Department | website |
| MI | Allegan County | Township of Dorr Building Department | website |
| MI | Allegan County | Township of Fillmore Building Department | website |
| MI | Allegan County | Township of Ganges Building Department | website |
| MI | Allegan County | Township of Gun Plain Building Department | website |
| MI | Allegan County | Township of Heath Building Department | website |
| MI | Allegan County | Township of Hopkins Building Department | website |
| MI | Allegan County | Township of Laketown Building Department | website |
| MI | Allegan County | Township of Lee Building Department | website |
| MI | Allegan County | Township of Leighton Building Department | website |
| MI | Allegan County | Township of Manlius Building Department | website |
| MI | Allegan County | Township of Martin Building Department | website |
| MI | Allegan County | Township of Monterey Building Department | website |
| MI | Allegan County | Township of Otsego Building Department | website |
| MI | Allegan County | Township of Overisel Building Department | website |
| MI | Allegan County | Township of Salem Building Department | website |
| MI | Allegan County | Township of Saugatuck Building Department | website |
| MI | Allegan County | Township of Trowbridge Building Department | website |
| MI | Allegan County | Township of Valley Building Department | website |
| MI | Allegan County | Township of Watson Building Department | website |
| MI | Allegan County | Township of Wayland Building Department | website |
| MI | Allegan County | Village of Hopkins Building Department | website |
| MI | Allegan County | Village of Martin Building Department | website |